/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.util;

import java.util.Set;

/**
 * This matcher tests whether strings match with a String in a given Set.
 *
 * @author Johan Leys
 */
public class CollectionMatcher extends StringMatcher {
    private final Set<String> set;

    public CollectionMatcher(Set<String> set) {
        this.set = set;
    }

    // Implementations for StringMatcher.

    @Override
    public boolean matches(String string) {
        return set.contains(string);
    }

    @Override
    protected boolean matches(String string, int beginOffset, int endOffset) {
        return set.contains(string.substring(beginOffset, endOffset));
    }
}
